Electroencephalograph
device · 1924 · Electric age
Recording the electrical activity of the brain (Berger).
What it is made of
- Amplifier — has part. Amplifiers.
Principles and materials it uses
- Silver — is made of. The electrodes are silver with silver chloride.
Where it is used
- Brain–computer interface — is used in. Brain signals.
Things built in a similar way
- Electrocardiograph — works like. The same principle of recording biopotentials.